Site Feedback

Recent Changes

Updates for January 31, 2026 - February 2, 2026

The Office of the Federal Register updates the material in the eCFR on a daily basis. While we do not make updates in real-time, generally the eCFR is current within two business days.

You can learn more about how the eCFR is updated here.

Reader Aids

Reader Aids help people use and understand the eCFR. Reader Aids information is not published in the Code of Federal Regulations.

Effective regulations inserted from the above-dated Federal Register:
  1. 10 CFR 72
  2. 14 CFR 91, 121, 125, 135
  3. 18 CFR 375
Regulations linked from the above-dated Federal Register:
  1. 42 CFR 433
Effective regulations that expire on this date:
  1. 33 CFR 117.273 Regulation at 90 FR 47233, Oct. 1, 2025 expired
  2. 33 CFR 165.T08-0036 Regulation at 91 FR 2491, Jan. 21, 2026 expired
  3. 33 CFR 165.T08-1131 Regulation at 91 FR 1249, Jan. 13, 2026 expired
Regulations inserted that were previously linked and became effective on the date listed above:
  1. 13 CFR 107 91 FR 7, Jan. 2, 2026
  2. 21 CFR 4, 820 89 FR 7522, Feb. 2, 2024
  3. 21 CFR 4 89 FR 51765, June 18, 2024
  4. 21 CFR 801, 803, 812, 860, 862, 864, 866, 868, 872, 874, 876, 878, 880, 882, 886, 888, 890, 892 90 FR 55979, Dec. 4, 2025
  5. 21 CFR 820 89 FR 82945, Oct. 15, 2024
  6. 29 CFR 4044 91 FR 2300, Jan. 20, 2026
  7. 40 CFR 52.1183, 52.1235 91 FR 50, Jan. 2, 2026
  8. 40 CFR 61, 63.99 91 FR 54, Jan. 2, 2026
  9. 42 CFR 483 90 FR 55697, Dec. 3, 2025